Smoking while pregnant alters the baby’s DNA: researchers

Smoking During Pregnancy Alters The Baby’s DNA

Warnings on cigarette packages that emphasize the harmful effects of smoking while pregnant have been around for decades, but 12.3 percent of expectant American women still smoke. Adverse birth outcomes, such as low birth weight, compromised lung function, and cleft lip have been associated with maternal smoking, but how smoking leads to these health effects is…